Fix scheduler locking hierarchy

2026-01-22 15:59:29 +01:00
parent fea0999726
commit c26fd3cb2b
6 changed files with 81 additions and 68 deletions
--- a/kernel/syscall/syscall.c
+++ b/kernel/syscall/syscall.c
@@ -234,6 +234,7 @@ DEFINE_SYSCALL (sys_lock_mutex) {
  if (mutex_resource == NULL)
    return -ST_NOT_FOUND;

+  DEBUG ("locking %d\n", proc->pid);
  proc_mutex_lock (proc, &mutex_resource->u.mutex);

  return ST_OK;
@@ -252,6 +253,7 @@ DEFINE_SYSCALL (sys_unlock_mutex) {
  if (mutex_resource == NULL)
    return -ST_NOT_FOUND;

+  DEBUG ("unlocking %d\n", proc->pid);
  return proc_mutex_unlock (proc, &mutex_resource->u.mutex) ? ST_OK : -ST_PERMISSION_ERROR;
 }